因为这些方法会使传入的数组本身内部的指针发生变化，所以使用的是传引用的方式；因此只支持直接传递参数，而不支持通过函数的返回值 . [ErrorException] Only variables should be passed by reference #6 Try this: blue line metro timings. Obtaining an array is a two-step process. Pricing Teams Resources Try for free Log In. (not the direct result of a function execution). array_pop() に限らず、PHPでは参照渡しを要求するメソッドに値を直接渡して呼び出すと、上記のようなエラーを吐く。 Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About the reference delivery (taken from the manual) . Answer by Daniella Levy Strict Standards: Only variables should be passed by reference in C:\xampp\htdocs\directory5.php on line 34,Strict Standards: Only variables should be passed by reference in C:\xampp\htdocs\directory5.php on line 32,Code runs fine but it throws some errors:,No other expressions should be passed by reference, as the result is undefined. All numeric keys will be changed from zero, and . unemployment. Unknown, 2048: Only variables should be passed by reference in .\elfinder\php\elFinderVolumeDriver.class.php on line 645 Its natural language processing, text analytics and machine learning technologies identify, classify and extract content from unstructured or variable paper documents. Since output of array_keys($_REQUEST) is not a variable and under strict mode this will generate a warning. Bug #64755: Only variables should be passed by reference: Submitted: 2013-05-02 08:03 UTC: Modified: 2013-09-11 23:28 UTC: From: eth at ethaniel dot com: Assigned: 「何でじゃ（－－？. AYUDA! Fatal error: Only variables can be passed by reference PHP language has restricted this. Error: Strict Notice: Only variables should be passed by reference Only Variables Should Be Passed By Reference - Laravel 5 perform the operation calculator - honolulu-supplies.com php; array $_server; https; By AdRock, October 17, 2013 in PHP Coding Help. {"pageProps":{"data":{"slug":"how-to-customize-react-components-with-props-fr","tutorial":{"id":5746,"original_id":5468,"slug":"how-to-customize-react-components-with .